maintaining the exact RPM ratios required for optimal CFM delivery

Its epoxy-molded construction provides excellent thermal stability and moisture resistance

Built for reliability in high-thermal environments

Its modular NEMA 1 high-impact plastic enclosure ensures compatibility with other System 350 expansion modules

Heil Quaker ICP B04273 Switch Kit 322838-752 maintaining the exact RPM ratiosFor HVAC service professionals managing older Heil, Quaker, or ICP furnaces, the Heil Quaker ICP B04273 Fan Limit Switch Kit is a direct OEM replacement designed to restore precise thermal control. This 8 inch insertion furnace fan limit control features a bi metal helical element that reacts to heat exchanger temperature changes, managing the blower motor cycles and providing critical high limit safety shut off. This Heil Quaker furnace part is